package com.killLog.mapper;

import com.killLog.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     * 动态条件查询
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart(name,user_id,dish_id,setmeal_id,dish_flavor,number,amount,image,create_time) " +
            "VALUES(#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据userId清空购物车数据
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);



    /**
     * 根据菜品id查询购物车数据
     * @param shoppingCart
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{userId} and dish_id = #{dishId}")
    ShoppingCart getByUserIdAndDishId(ShoppingCart shoppingCart);


    /**
     * 根据商品的套餐id查询购物车数据
     * @param shoppingCart
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{userId} and setmeal_id = #{setmealId}")
    ShoppingCart getByUserIdAndSetmealId(ShoppingCart shoppingCart);

    /**
     * 根据商品id删除购物车数据
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteByShoppingId(Long id);
}
